Only Eva Rutland could make the experience of going blind funny. The 90-year-old Harlequin romance writer, who wrote 20 novels after losing her sight, tells her story with humor and poignancy.The trouble with going blind is you begin not to see. No longer can you drive a car, browse through bookstores and libraries, or read a newspaper or the personal letter you don’t want to share with anyone else. You can’t see bridge cards, chess pieces, dust on the table, soil spots on your dress or lipstick prints on your husband’s shirt.You overflow juice glasses, knock over coffee cups, open a can of tomato soup when you wanted cream of mushroom, put cinnamon in the green beans and pepper in the applesauce. It becomes increasingly difficult to find the meat on your plate, much less cut it.I couldn’t recognize anybody, so began to smile at everybody, until Ginger objected.“Mama, will you stop grinning at whomever? You have every creep in town following us!” (Ginger’s the one of our full-grown children their father calls “the oracle.” She’s a journalist. I guess having her opinions splattered on television, the radio, and in the newspapers does give her that appearance.)Anyway, I stopped smiling and just tried to look pleasantly aware, even if I wasn’t…..